Taxon
Rhodophyceae
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Czech RepublicFrom aquarium in Trebon, periphyton on leaves of water plants
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Dixoniella grisea (Geitler) Scott, Broadwater, Saunders et Thomas
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Galdieria cf. sulphuraria (Galdieri) MerolaCzech RepublicWarm spring or mud pool, nature reserve Soos near Hájek, Region of Karlovaský,
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Porphyridium aerugineum GeitlerSlovakiaTown Piestany, pond with water plants
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Porphyridium purpureum (Bory de Saint-Vincent) K.M.Drew & R.RossNetherlandsAmsterdam, aquarium, sea water
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Porphyridium purpureum (Bory de Saint-Vincent) K. M. Drew et R. RossSwitzerlandBasel, brackish wet shaded tuff
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Porphyridium purpureum (Bory de Saint-Vincent) K.M.Drew & R.RossUSAMA, Woods Hole, greenhouse
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Porphyridium sordidum GeitlerUSAMassachusetts, greenhouse in Amherst
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Rhodella violacea (Kornmann) WehrmeyerGermanyFrom marine aquarium, List/Sylt, ; type material